#!/bin/sh
# Copyright Loris Vincenzi (http://www.slacky.eu)
# All rights reserved.
# Thanks to David Somero (dsomero@hotmail.com) Athens,TN USA
# Heavily based on the Slackware 13.37 SlackBuild
# http://www.squid-cache.org/
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Exit on most errors
set -e 


# Set variables:
CWD=`pwd`
OUTPUT=${OUTPUT:-$CWD}
PKGNAME=squid
TMP=${TMP:-/tmp/txz/$PKGNAME}
PKG=$TMP/package
VERSION=${VERSION:-3.1.14}
ARCH=${ARCH:-i486}
JOBS=${JOBS:--j2}
BUILD=${BUILD:-1}
TAG=${TAG:-sl}

SQUIDUSER=${SQUIDUSER:-nobody}
SQUIDGROUP=${SQUIDGROUP:-nobody}

# Download sorce tarball if still not present
SOURCE="http://www.squid-cache.org/Versions/v3/3.1/$PKGNAME-$VERSION.tar.bz2"

if [ ! -e $PKGNAME-$VERSION.tar.bz2 ]; then
wget -c $SOURCE
fi


# Set compiling FLAGS
if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST="i486"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST="i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"; SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"; CHOST="x86_64"
fi

# Create building directory
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT


# Decompress the source tarball
cd $TMP
tar xvjf $CWD/$PKGNAME-$VERSION.tar.bz2

echo -e "\E[0;32m+------------------------+\E[0;0m"
echo -e "\E[0;32m| Start SlackBuild Squid |\E[0;0m"
echo -e "\E[0;32m+------------------------+\E[0;0m"

# Adjust permissions and ownerships
cd $PKGNAME-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

# Building Squid package
LDFLAGS="$SLKLDFLAGS" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure --prefix=/usr \
--libdir=/usr/lib${LIBDIRSUFFIX} \
--sysconfdir=/etc/squid \
--localstatedir=/var/log/squid \
--datadir=/usr/share/squid \
--with-pidfile=/var/run/squid \
--mandir=/usr/man \
--with-logdir=/var/log/squid \
--enable-snmp \
--enable-auth="basic" \
--enable-basic-auth-helpers="NCSA" \
--enable-linux-netfilter \
--enable-async-io \
--program-prefix= \
--program-suffix= \
--build=$CHOST-slackware-linux
make $JOBS all
make install DESTDIR=$PKG


# Strip binaries and shared objects, if present
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)


# Add documentation files: readme, changelog and so on
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild
cp -a CONTRIBUTORS COPYING COPYRIGHT CREDITS ChangeLog INSTALL QUICKSTART README RELEASENOTES.html SPONSORS $PKG/usr/doc/$PKGNAME-$VERSION
chmod 644 $PKG/usr/doc/$PKGNAME-$VERSION/*


# Note that the .new file left hanging around in /etc/logrotate.d/ will
# probably/surely make cron'd logrotations fail, but not installing it
# as .new here will clobber a potentially custom file.
mkdir -p $PKG/etc/{logrotate.d,rc.d} 
cat $CWD/rc.squid > $PKG/etc/rc.d/rc.squid.new
cat $CWD/squid.logrotate > $PKG/etc/logrotate.d/squid.new

mv $PKG/etc/squid/mime.conf $PKG/etc/squid/mime.conf.new
mv $PKG/etc/squid/cachemgr.conf $PKG/etc/squid/cachemgr.conf.new
rm $PKG/etc/squid/squid.conf 
cat $CWD/squid.conf > $PKG/etc/squid/squid.conf.new

mkdir -p $PKG/var/{cache,run}/squid
chown $SQUIDUSER:$SQUIDGROUP $PKG/var/{cache,log,run}/squid

## Edit the config file to set the user and group to run as
sed -i -e 's%^cache_effective_user nobody%cache_effective_user '"$SQUIDUSER"'%g' \
  $PKG/etc/squid/squid.conf.new
sed -i -e 's%^cache_effective_group nobody%cache_effective_group '"$SQUIDGROUP"'%g' \
  $PKG/etc/squid/squid.conf.new




# Also add the slack-desk file and this slackbuild to the package
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/slack-desc
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/$PKGNAME.SlackBuild


# Compress the man pages if present
if [ -d $PKG/usr/man ]; then
    ( cd $PKG/usr/man
      find . -type f -exec gzip -9 {} \;
      for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
    )
fi



# Find and print dependencies into slack-required file
cd $PKG
chown -R root:root $PKG
if [ -x /usr/bin/requiredbuilder ];then
requiredbuilder -y -v -s  $CWD $PKG
fi
# Create txz package
/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}

# Cleanup if enabled
if [ "$1" = "--cleanup" ]; then
 rm -rf $TMP
fi